Twin baby carriage



FIG. 1 is a perspective view of a twin baby carriage showing my newdesign thereof;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines are for the purpose of illustrating portions of thetwin baby carriage which form no part of the claimed design.

CLAIM The ornamental design for a “twin baby carriage,” as shown anddescribed.